U-18 being re-assembled at Galați, Romania |
| History |
|---|
| Nazi Germany |
|---|
| Name | U-18 |
| Ordered | 2 February 1935 |
| Builder | |
| Yard number | 548 |
| Laid down | 10 July 1935 |
| Launched | 7 December 1935 |
| Commissioned | 4 January 1936 |
| Fate | Scuttled 25 August 1944 at Constanţa in the Black Sea |
| General characteristics |
|---|
| Class & type | Type IIB coastal submarine |
| Displacement |
- 279 t (275 long tons) surfaced
- 328 t (323 long tons) submerged
|
| Length | |
| Beam |
- 4.08 m (13 ft 5 in) (o/a)
- 4.00 m (13 ft 1 in) (pressure hull)
|
| Height | 8.60 m (28 ft 3 in) |
| Draught | 3.90 m (12 ft 10 in) |
| Installed power |
- 700 PS (510 kW; 690 bhp) (diesels)
- 410 PS (300 kW; 400 shp) (electric)
|
| Propulsion | |
| Speed |
- 13 knots (24 km/h; 15 mph) surfaced
- 7 knots (13 km/h; 8.1 mph) submerged
|
| Range |
- 1,800 nmi (3,300 km; 2,100 mi) at 12 knots (22 km/h; 14 mph) surfaced
- 35–43 nmi (65–80 km; 40–49 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
|
| Test depth | 80 m (260 ft) |
| Complement | 3 officers, 22 men |
| Armament | |
| Service record |
| Part of: |
|
| Identification codes: |
M 23 452 |
| Commanders: |
- Oblt.z.S. / Kptlt. Hans Pauckstadt
- 4 January – 20 November 1936
- Kptlt. Heinz Beduhn
- 30 September – 31 October 1937
- Oblt.z.S. / Kptlt. Max-Hermann Bauer
- 1 November 1937 – 24 November 1939
- Oblt.z.S. Ernst Mengersen
- 24 November 1939 – 2 September 1940
- Oblt.z.S. / Kptlt. Hans-Heinz Linder
- 3 September – 17 December 1940
- Kptlt. Ernst Vogelsang
- 18 December 1940 – 6 May 1941
- Lt.z.S. / Oblt.z.S. Hans-Achim von Rosenberg-Gruszcynski
- 7 May 1941 – 31 May 1942
- Oblt.z.S. Friedrich-Wilhelm Wissmann
- 1 June – 18 August 1942
- Oblt.z.S. Karl Fleige
- 6 May 1943 – 1 May 1944
- Oblt.z.S. Hans-Jürgen Bartsch
- 2 – 25 May 1944
- Oblt.z.S. Rudolf Arendt
- 25 May – 7 June 1944
- Oblt.z.S. Karl Fleige
- 8 June – 25 August 1944
|
| Operations: |
- 14 patrols
- 1st patrol:
- a. 30 August – 7 September 1939
- b. 8 September 1939
- 2nd patrol:
- 14 – 24 September 1939
- 3rd patrol:
- 2 – 19 October 1939
- 4th patrol:
- 15 – 23 November 1939
- 5th patrol:
- 18 – 26 January 1940
- 6th patrol:
- a. 11 – 24 February 1940
- b. 27 – 28 February 1940
- 7th patrol:
- 26 May – 9 June 1943
- 8th patrol:
- a. 16 – 29 June 1943
- b. 3 – 22 July 1943
- 9th patrol:
- 21 August – 24 September 1943
- 10th patrol:
- 27 October – 24 November 1943
- 11th patrol:
- 29 January – 29 February 1944
- 12th patrol:
- 25 March – 27 April 1944
- 13th patrol:
- 25 May – 7 June 1944
- 14th patrol:
- 24 July – 16 August 1944
|
| Victories: |
- 2 merchant ships sunk
(1,500 GRT)
- 1 auxiliary warship sunk
(400 GRT)
- 1 merchant ship damaged
(7,745 GRT)
- 1 warship damaged
(56 tons)
|
German submarine U-18 was a Type IIB U-boat of Nazi Germany's Kriegsmarine during World War II. It was laid down 10 July 1935 and commissioned on 4 January 1936. It served in many U-boat flotillas during its service.
